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Mason Madsen is a pro basketball creator with real on-court credibility and a strong overseas story, currently competing for Czarni Słupsk in Poland. His content blends authentic athlete lifestyle, travel, and behind-the-scenes pro hoops moments, making him a strong fit for brands targeting sports fans and performance-minded audiences.
Czarni Słupsk
U
Has access to a professional photographer
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Mason Madsen promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Mason Madsen make a live appearance at your next event
Brands can sponsor Mason Madsen on OpenSponsorship by creating a free account, browsing Mason Madsen's profile, and sending a sponsorship proposal for social posts, appearances, or integrated campaigns. OpenSponsorship handles messaging, deliverables, and deal terms in one platform so you can connect directly with this athlete.
Mason Madsen is listed on OpenSponsorship and available for brand sponsorships. Brands can review campaign packages, audience details, and pricing on this profile, then submit a proposal to start a partnership with this athlete.
According to OpenSponsorship, estimated pricing to sponsor Mason Madsen starts at $1,440 for a social media post, $1,200 for a appearance and $3,000 for a brand ambassador campaign. Final rates depend on deliverables, usage rights, and campaign scope. Sign up on OpenSponsorship to view packages and send a proposal.
According to OpenSponsorship, Mason Madsen's audience includes 112K+ Instagram followers, interests including Fitness & Performance, Activewear, Travel, Photography, based in Poland. Brands can use this profile to evaluate reach, content niche, and sponsorship fit before sending a proposal.

How do you measure influencer marketing ROI when half the numbers social media gives you are vanity metrics? It is the question brands ask us most, and it came up again when I joined Massimo Marinelli on the Berkida Ventures Podcast. After more than ten years and thousands of brand deals with athletes and creators at OpenSponsorship, here is how we think about it, and the framework we use with our clients.
October 28, 2026